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Windows 7: Sigmatel Stac92XX C-Major HD Audio Driver Sound Problem

Hi I have A Dell XPS 420 with a Sigmatel Stac92XX C-Major HD Audio Driver and I was running Windows Vista X64 SP1 and everything was working fine.

I just recently installed Windows 7 RT Build 7100 and the Generic High Definition Audio Device Driver Installed and all types of media play, but it's causing a crackling sound in my audio and not only that it actually corrupts the file so if I were to play a MP4 on my XBOX 360 it also has the crackling noise even if the file was originally fine.

I don't know the last Sigmatel Driver that was on my Vista Build but I tried a few of them and even tried in Vista install mode but none of them work & I tried all the codecs packs that I always install and still nothing.

What should I do and is this a driver problem that's causing the crackling noise and corrupting my files or is their something else to this please help because it's driving me crazy?

Hi I have A Dell XPS 420 with a Sigmatel Stac92XX C-Major HD Audio Driver and I was running Windows Vista X64 SP1 and everything was working fine.

I just recently installed Windows 7 RT Build 7100 and the Generic High Definition Audio Device Driver Installed and all types of media play, but it's causing a crackling sound in my audio and not only that it actually corrupts the file so if I were to play a MP4 on my XBOX 360 it also has the crackling noise even if the file was originally fine.

I don't know the last Sigmatel Driver that was on my Vista Build but I tried a few of them and even tried in Vista install mode but none of them work & I tried all the codecs packs that I always install and still nothing.

What should I do and is this a driver problem that's causing the crackling noise and corrupting my files or is their something else to this please help because it's driving me crazy?

Move to a later version of win7.
The corruption of mp3 and mp4 files was fixed after the RC.

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